There's no particular trick to freezing them. Maybe you used the wrong sort of bag? Most people use Ziploc style freezer bags or their generic equivalent. Yo

There's no particular trick to freezing them. Maybe you used the wrong sort of bag? Most people use Ziploc style freezer bags or their generic equivalent. You do need to carefully squeeze all the air out before sealing. A vacuum sealer works great too if you happen to have one.